To the nearest tenth, what is the length of the hypotenuse of an isosceles right triangle with a leg of 7
3
inches?

Select the number of ways in which a line and a circle can intersect

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which of the following parabolas opens up?